SC-900 Describe the capabilities of Microsoft Entra Practice Question
This SC-900 practice question tests your understanding of describe the capabilities of microsoft entra. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Exhibit
Refer to the exhibit. The exhibit shows a PowerShell command and its output:
```powershell
Get-MgPolicyConditionalAccessPolicy -Filter "DisplayName eq 'Block Legacy Auth'" | Format-List Id, DisplayName, Conditions
Id : 12345678-1234-1234-1234-123456789abc
DisplayName : Block Legacy Auth
Conditions : @{ClientAppTypes=System.Object[]; Applications=; Users=; Locations=; Platforms=; SignInRiskLevels=; UserRiskLevels=;}
```
The exhibit shows a Conditional Access policy named 'Block Legacy Auth'. The admin notices that the policy is not blocking legacy authentication as intended. Based on the output, what is the most likely reason?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The policy does not have any client app types configured to block.
The policy is not blocking legacy authentication because it lacks configured client app types. Conditional Access policies require explicit selection of client apps (e.g., Exchange ActiveSync, other clients) to target legacy authentication protocols like POP3, IMAP, and SMTP. Without this configuration, the policy has no conditions to enforce, so it cannot block any authentication attempts.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The policy name is incorrect.
Why it's wrong here
The name is 'Block Legacy Auth' as intended.
✓
The policy does not have any client app types configured to block.
Why this is correct
ClientAppTypes is empty, so the policy does not target any client apps.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The policy is assigned to no users.
Why it's wrong here
Users property is not shown, but likely includes all.
✗
The policy is disabled.
Why it's wrong here
The output does not show the state, but the policy is listed.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume a Conditional Access policy with 'Block access' grant will automatically block all authentication, but they overlook the critical requirement to explicitly configure client app types to cover legacy protocols.
Trap categories for this question
Command / output trap
Users property is not shown, but likely includes all.
Detailed technical explanation
How to think about this question
Legacy authentication protocols bypass modern authentication flows and are not blocked by default in Conditional Access. The 'Client apps' condition must include 'Exchange ActiveSync' and 'Other clients' to target protocols like POP3, IMAP, and SMTP. Without these selections, the policy only applies to modern authentication clients (e.g., browser, mobile apps), leaving legacy protocols unblocked.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-900 question in full detail.
Describe the capabilities of Microsoft Entra — This question tests Describe the capabilities of Microsoft Entra — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The policy does not have any client app types configured to block. — The policy is not blocking legacy authentication because it lacks configured client app types. Conditional Access policies require explicit selection of client apps (e.g., Exchange ActiveSync, other clients) to target legacy authentication protocols like POP3, IMAP, and SMTP. Without this configuration, the policy has no conditions to enforce, so it cannot block any authentication attempts.
What should I do if I get this SC-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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